:root{--bg-deepest: #0a0a0f;--bg-deep: #12121a;--bg-surface: #1a1a2e;--bg-elevated: #16213e;--bg-hover: #1e2a4a;--bg-input: #0f0f1a;--accent-indigo: #6366f1;--accent-violet: #8b5cf6;--accent-cyan: #06b6d4;--accent-gradient: linear-gradient(135deg, var(--accent-indigo), var(--accent-violet), var(--accent-cyan));--accent-gradient-h: linear-gradient(90deg, var(--accent-indigo), var(--accent-violet));--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-tertiary: #64748b;--text-disabled: #475569;--border-subtle: rgba(255, 255, 255, .06);--border-default: rgba(255, 255, 255, .1);--border-strong: rgba(255, 255, 255, .15);--border-accent: rgba(99, 102, 241, .4);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .6);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--shadow-glow-lg: 0 0 40px rgba(99, 102, 241, .2), 0 0 80px rgba(139, 92, 246, .1);--glass-bg: rgba(18, 18, 26, 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#6366f133}.subtopic-node__content{display:flex;align-items:center;justify-content:center}.subtopic-node__label{font-size:var(--font-size-sm);font-weight:500;text-align:center;word-break:break-word;line-height:1.3}.subtopic-node__input{font-size:var(--font-size-sm)!important;font-weight:500!important;background:#0000004d!important;border:1px solid rgba(255,255,255,.2)!important;border-radius:var(--radius-sm)!important;padding:2px 6px!important;text-align:center;width:100%;outline:none}.subtopic-node__input:focus{border-color:#fff6!important;box-shadow:0 0 0 2px #ffffff14!important}.subtopic-node__badge{position:absolute;top:-6px;right:-6px;background:var(--bg-elevated);color:var(--text-secondary);font-size:9px;font-weight:700;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-default)}.subtopic-handle{width:6px!important;height:6px!important;background:#fff3!important;border:1.5px solid 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32px;opacity:.1}.auth-visual-content{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.auth-visual-icon-wrapper{position:relative;height:24rem;width:24rem}.auth-visual-glow{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:9999px;background-color:#6366f133;filter:blur(64px);animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.auth-visual-icon{position:relative;display:flex;height:100%;width:100%;align-items:center;justify-content:center;color:#6366f180}.mindmap-edge:hover path{stroke-width:3px}.react-flow__background{background:var(--bg-deepest)!important}.react-flow__minimap{background:var(--bg-deep)!important;border:var(--glass-border)!important;border-radius:var(--radius-lg)!important;overflow:hidden}.react-flow__minimap-mask{fill:#000000b3}.react-flow__controls{border:var(--glass-border)!important;border-radius:var(--radius-lg)!important;overflow:hidden;box-shadow:var(--shadow-lg)!important}.react-flow__controls-button{background:var(--bg-deep)!important;border-bottom:1px solid var(--border-subtle)!important;color:var(--text-secondary)!important;fill:var(--text-secondary)!important;width:28px!important;height:28px!important}.react-flow__controls-button:hover{background:var(--bg-surface)!important;color:var(--text-primary)!important;fill:var(--text-primary)!important}.react-flow__controls-button svg{fill:currentColor!important}.react-flow__controls-button:last-child{border-bottom:none!important}.react-flow__edge.selected .react-flow__edge-path{stroke:var(--accent-indigo)!important;stroke-width:3px}.react-flow__handle{opacity:0;transition:opacity var(--transition-fast)}.react-flow__node:hover .react-flow__handle,.react-flow__node.selected .react-flow__handle{opacity:1}@media(max-width:1024px){.mind-map-grid{grid-template-columns:repeat(2,1fr)}.dashboard__title{font-size:var(--font-size-3xl)}.style-panel{width:260px}}@media(max-width:768px){.mind-map-grid{grid-template-columns:1fr}.dashboard__header{padding:var(--space-10) var(--space-4) var(--space-8)}.dashboard__title{font-size:var(--font-size-2xl)}.dashboard__main{padding:0 var(--space-4) var(--space-10)}.dashboard__actions{flex-direction:column;align-items:stretch}.dashboard__actions-left{width:100%}.dashboard__actions-left .btn{flex:1}.dashboard__search-wrapper{min-width:unset;width:100%}.toolbar{padding:var(--space-2) var(--space-3)}.style-panel{width:100%;max-width:300px}}@media(max-width:480px){.dashboard__title{font-size:var(--font-size-xl)}.dashboard__subtitle{font-size:var(--font-size-base)}.toolbar__center{display:none}}.share-toggle-wrapper{margin-bottom:var(--space-6);display:flex;align-items:center}.share-toggle{display:flex;align-items:center;cursor:pointer;position:relative}.share-toggle input{position:absolute;width:0;height:0;opacity:0}.share-toggle-bg{width:40px;height:24px;background:var(--bg-hover);border-radius:var(--radius-full);transition:background var(--transition-base);border:1px solid var(--border-default)}.share-toggle input:checked~.share-toggle-bg{background:var(--accent-indigo);border-color:var(--accent-indigo)}.share-toggle-dot{position:absolute;left:4px;top:4px;width:16px;height:16px;background:#fff;border-radius:50%;transition:transform var(--transition-base);box-shadow:var(--shadow-sm)}.share-toggle input:checked~.share-toggle-dot{transform:translate(16px)}.share-toggle-label{margin-left:var(--space-3);color:var(--text-primary);font-weight:500}.share-options{display:flex;flex-direction:column;gap:var(--space-6)}.share-link-group{display:flex;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-default)}.share-link-prefix{background:var(--bg-surface);padding:0 var(--space-3);display:flex;align-items:center;color:var(--text-secondary);font-size:var(--font-size-sm);border-right:1px solid var(--border-default);white-space:nowrap;flex-shrink:0}.share-select{flex-grow:1;border:none;border-radius:0;background:var(--bg-input);color:var(--text-primary);font-size:var(--font-size-sm);min-width:100px}.share-select:focus{box-shadow:none;border-color:transparent}.share-copy-btn{border-radius:0;margin:0;flex-shrink:0;white-space:nowrap}.share-advanced{display:flex;flex-direction:column;gap:var(--space-3)}.share-advanced-title{font-size:var(--font-size-sm);font-weight:500;color:var(--text-primary)}.share-password-group{display:flex;flex-direction:column;gap:var(--space-3)}.share-checkbox-label{display:flex;align-items:center;gap:var(--space-2);color:var(--text-secondary);font-size:var(--font-size-sm);cursor:pointer}.share-checkbox{width:16px!important;height:16px!important;accent-color:var(--accent-indigo);cursor:pointer}.share-password-input-wrapper{margin-left:var(--space-6)}.share-password-input{width:100%}.share-modal-actions{display:flex;justify-content:flex-end;gap:var(--space-3);margin-top:var(--space-8)}.share-advanced{margin-top:var(--space-4)}.node-note-trigger{position:relative;cursor:help}.node-note-tooltip{display:none;position:absolute;top:100%;left:50%;transform:translate(-50%);background:var(--bg-elevated);color:var(--text-primary);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);border:1px solid var(--border-default);z-index:1000;min-width:250px;max-width:350px;font-size:var(--font-size-sm);text-align:left;white-space:normal;margin-top:5px;cursor:text;-moz-user-select:text;user-select:text;-webkit-user-select:text}.node-note-tooltip:before{content:"";position:absolute;top:-10px;left:0;width:100%;height:10px}.node-note-trigger:hover .node-note-tooltip,.node-note-tooltip:hover{display:block}.node-note-tooltip ul{list-style-type:disc;margin-left:1.5rem}.node-note-tooltip ol{list-style-type:decimal;margin-left:1.5rem}.node-note-tooltip a{color:var(--primary-color);text-decoration:underline}.theme-toggle-btn{position:fixed;bottom:var(--space-6);right:var(--space-6);z-index:1000;width:44px;height:44px;border-radius:50%;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:var(--glass-border);color:var(--text-primary);font-size:1.25rem;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-md);transition:all var(--transition-base)}.theme-toggle-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);background:var(--bg-hover)}